#include <iostream>
#include<iomanip>
using namespace std;
int main ()
{int  r,m, y;
 cin>>r>>m>>y;
 double R=1.0+r/100.0;
 double s=(double)m;
 for(int i=1;i<=y;i++)
  {
         s=s*R;
         }
  cout<<(int)s<<endl;
  system("pause");
  return  0;
}
        
 
 
 
